| when bundles are extracted? [message #96153] |
Wed, 29 August 2007 08:28  |
Eclipse User |
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Originally posted by: jacek.pospychala.pl.ibm.com
Hello,
I noticed, that my bundle delivered as a jar is extracted to the
eclipse/configuration/bundles folder when it's started.
It contains some jars inside on it's classpath.
I wonder, which exactly of Equinox bundles and under what circumstances,
decides to do this unzip?
Also, are there any configuration options, to disable/enable it?
Thanks for your help!
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| Re: when bundles are extracted? [message #96218 is a reply to message #96153] |
Wed, 29 August 2007 15:28  |
| Eclipse User |
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Originally posted by: alex_blewitt.yahoo.com
When you install a bundle, if it's part of a feature it has 'unpack=true' or something against the plugin. If so, it will unpack the bundle in the plugins/ directory (e.g. see JUnit,Ant).
However, if you have a bundle that contains a Jar (i.e. bundle-classpath: .,foo.jar) then in order to load 'foo.jar' classes, it must be extracted to a temporary location first. That is done automatically as part of the class loading for the bundle.
The summary is: if your feature contains an unpack, then the Jar is unpacked in the plugins directory. If it is packed, but contains a Jar file, then that is extracted to the configuration/bundles directory when (or just before) a class is loaded from that Jar. If you don't have Jars-in-bundles, you don't get this behaviour.
Alex.
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| Re: when bundles are extracted? [message #96233 is a reply to message #96218] |
Wed, 29 August 2007 18:23 |
| Eclipse User |
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Originally posted by: jacek.pospychala.pl.ibm.com
Thanks Alex,
that's exactly what I was looking for.
Alex Blewitt wrote:
> When you install a bundle, if it's part of a feature it has 'unpack=true' or something against the plugin. If so, it will unpack the bundle in the plugins/ directory (e.g. see JUnit,Ant).
>
> However, if you have a bundle that contains a Jar (i.e. bundle-classpath: .,foo.jar) then in order to load 'foo.jar' classes, it must be extracted to a temporary location first. That is done automatically as part of the class loading for the bundle.
>
> The summary is: if your feature contains an unpack, then the Jar is unpacked in the plugins directory. If it is packed, but contains a Jar file, then that is extracted to the configuration/bundles directory when (or just before) a class is loaded from that Jar. If you don't have Jars-in-bundles, you don't get this behaviour.
>
> Alex.
>
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